SOLUTION: My daughter needs to write the function rule for
x y
0 1
1 3
2 5
3 11
4 25
5 55
6 95
Not all numbers are divisible by 5 - she tried squaring - exponents - she's
Question 435472: My daughter needs to write the function rule for
x y
0 1
1 3
2 5
3 11
4 25
5 55
6 95
Not all numbers are divisible by 5 - she tried squaring - exponents - she's stumped. any help would be appreciated. Thank you. Found 2 solutions by stanbon, Edwin McCravy:Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website! I plotted the pairs on a graphing calculator
and ran a CubicRegression program against the
data.
---
The Regression equation is
y = 0.6111111x^3-1.38095x^2+2.007937x+1.285714
-----
The R-value is 0.999189
which indicates a very strong correlation.
===============================================
Cheers,
Stan H.
==================== Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
-11x6+177x5-1055x4+3135x3-4334x2+2808x+360
y = —————————————————————————————————————————
360
Edwin